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Thread: HowTo: Create a Passwordless / Guest Login (Simple Method)

  1. #31
    Join Date
    Mar 2007
    Location
    Gloucestershire, UK
    Beans
    22
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Quote Originally Posted by jcfisher View Post
    I've had the same problem as balance07 - that is, when I try to switch user into the password-less account, the account cannot be unlocked. Has anyone solved that problem?
    I am also getting this problem.

    To reproduce:

    * Add a new desktop user called guest
    * Change the encrypted password for guest in /etc/passwd to:
    U6aMy0wojraho
    * Log in as Guest with no password (just press return for password)
    * Use the user session switcher to switch to your original account
    * Use the user session switcher again to switch back to the Guest account
    * Guest account session is locked and cannot be unlocked- pressing return for password is rejected.

    At the moment, the only way to unlock the guest account is pretty drastic, such as restarting GDM, which logs out ALL desktop sessions and restarts X, clearly not a good solution.

    Any help much appreciated, thanks.

  2. #32
    Join Date
    Jul 2006
    Beans
    5

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    THANKYOU, this solved my problem with getting my minimyth frontend to connect to my ubuntu backend for remote ssh execution, you are a god!

  3. #33
    Join Date
    Jan 2008
    Beans
    6
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Aysiu,

    VERY NICE! I'm fairly new to Linux and would have never thought of that (even though I just used the live CD to put Ubuntu on my first box a couple days ago). I was trying to figure out a way to do this so my two little ones could log on and not have to enter a complex (or any) password. This worked like a champ!

    The only other thing I would throw out here for newb's like me is to modify the folder permissions of any other home folders that you want to keep private (no viewing) so your guest's aren't rummaging around where they don't need to be. Thanks again Aysiu!

  4. #34
    Join Date
    Sep 2007
    Location
    Montreal (Canada, Quebec)
    Beans
    111
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    But, now I only have to hit <enter> in the logon screen.
    Given this, Isn't there a method to skip this useless logon screen ?
    Indeed, in System>Administration>Login screen>Security tab>check enable automatic login

    Or something like that (my ubuntu is in spanish
    Windows has detected a mouse movement, Please restart your computer for effects to take place.

  5. #35
    Join Date
    Aug 2008
    Location
    Waterloo, Ontario, Canada
    Beans
    1
    Distro
    Ubuntu 8.04 Hardy Heron

    Smile Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    I love it. Thanks

  6. #36
    Join Date
    Jul 2007
    Beans
    9
    Distro
    Xubuntu 11.04 Natty Narwhal

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Quote Originally Posted by aoakley View Post
    * Log in as Guest with no password (just press return for password)
    * Use the user session switcher to switch to your original account
    * Use the user session switcher again to switch back to the Guest account
    * Guest account session is locked and cannot be unlocked- pressing return for password is rejected.
    Don't use session switcher, use hotkeys instead (alt+ctrl+f7/f8/f9/whatever).

  7. #37
    Join Date
    Nov 2008
    Beans
    3

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    I did something stupid and now i cant log into my main account...

    I think i erased or added a ":" at the end of the line containing the code of my own password... or a space or something. Help???

  8. #38
    Join Date
    May 2005
    Location
    US
    Beans
    Hidden!
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Boot into recovery mode, drop to a root shell, and then type
    Code:
    nano -B /etc/shadow
    When you're done fixing the file, save (Control-X, Y, Enter) and then type
    Code:
    exit

  9. #39
    Join Date
    Mar 2009
    Beans
    927
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Why is this so dangerous? Surely a quick cp /etc/shadow /etc/shadow.backup would do the trick? Then if something went wrong you could easily boot from a live CD and do mv /etc/shadow.backup /etc/shadow. Please correct me if I'm wrong. Also is it okay to use any text editor you want or is there a specific reason for using Nano?

  10. #40
    Join Date
    May 2005
    Location
    US
    Beans
    Hidden!
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HowTo: Create a Passwordless / Guest Login (Simple Method)

    Quote Originally Posted by Penguin Guy View Post
    Why is this so dangerous? Surely a quick cp /etc/shadow /etc/shadow.backup would do the trick? Then if something went wrong you could easily boot from a live CD and do mv /etc/shadow.backup /etc/shadow. Please correct me if I'm wrong. Also is it okay to use any text editor you want or is there a specific reason for using Nano?
    It isn't dangerous for you. It's only dangerous if you don't know what you're doing. Clearly you do know what you're doing.

    And I chose nano, because that works for Ubuntu, Kubuntu, and Xubuntu. It's okay to use any text editor.

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